{ "contractName": "ERC721", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": true, "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "approved", "type": "address" }, { "indexed": true, "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "constant": true, "inputs": [], "name": "implementsERC721", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "total", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "name": "owner", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_from", "type": "address" }, { "name": "_to", "type": "address" }, { "name": "_tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_tokenId", "type": "uint256" } ], "name": "transfer", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "/**\n * @title Interface for contracts conforming to ERC-721: Non-Fungible Tokens\n * @author Dieter Shirley (https://github.com/dete) \n * This code was taken from https://github.com/dapperlabs at \n * https://github.com/dapperlabs/cryptokitties-bounty and is NOT kleros code.\n */\npragma solidity ^0.4.18;\n\n\n/// @title Interface for contracts conforming to ERC-721: Non-Fungible Tokens\n/// @author Dieter Shirley (https://github.com/dete)\ncontract ERC721 {\n function implementsERC721() public pure returns (bool);\n function totalSupply() public view returns (uint256 total);\n function balanceOf(address _owner) public view returns (uint256 balance);\n function ownerOf(uint256 _tokenId) public view returns (address owner);\n function approve(address _to, uint256 _tokenId) public;\n function transferFrom(address _from, address _to, uint256 _tokenId) public;\n function transfer(address _to, uint256 _tokenId) public;\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n // Optional\n // function name() public view returns (string name);\n // function symbol() public view returns (string symbol);\n // function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 tokenId);\n // function tokenMetadata(uint256 _tokenId) public view returns (string infoUrl);\n}\n", "sourcePath": "/private/tmp/kleros-interaction/contracts/standard/arbitration/CriptoKitties/ERC721.sol", "ast": { "absolutePath": "/private/tmp/kleros-interaction/contracts/standard/arbitration/CriptoKitties/ERC721.sol", "exportedSymbols": { "ERC721": [ 6435 ] }, "id": 6436, "nodeType": "SourceUnit", "nodes": [ { "id": 6371, "literals": [ "solidity", "^", "0.4", ".18" ], "nodeType": "PragmaDirective", 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